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A133548
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a(n) = sum of cubes of first n odd primes.
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2
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27, 152, 495, 1826, 4023, 8936, 15795, 27962, 52351, 82142, 132795, 201716, 281223, 385046, 533923, 739302, 966283, 1267046, 1624957, 2013974, 2507013, 3078800, 3783769, 4696442, 5726743, 6819470, 8044513, 9339542, 10782439, 12830822, 15078913, 17650266
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OFFSET
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1,1
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COMMENTS
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9 is the only square in this sequence.
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LINKS
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FORMULA
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EXAMPLE
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a(3)=495 because 3^3+5^3+7^3=495.
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MATHEMATICA
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c = 3; a = {}; b = 0; Do[b = b + Prime[n]^c; AppendTo[a, b], {n, 2, 1000}]; a {*Artur Jasinski*)
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PROG
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(PARI) a(n) = sum(i=2, n+1, prime(i)^3); \\ Michel Marcus, Nov 05 2013
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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